#include<stdio.h>
main()
{int n,i,x,flag=1;
 for(n=6;flag;n++){
    for(x=n,i=1 && flag;i<=5;i++)
    if((x-1)%5==0)x=4*(x-1)/5;
    else flag=0;
    if(flag)break;
    else flag=1;

 }
    printf("Total number of fish catched = %d\n",n);
}

//吴昌源

